diff -rupN libffi-3.0.11.orig/configure libffi-3.0.11/configure
--- libffi-3.0.11.orig/configure	2012-04-12 13:13:17.000000000 +1000
+++ libffi-3.0.11/configure	2012-12-03 00:21:59.307350787 +1100
@@ -14252,10 +14252,10 @@ if ${libffi_cv_as_x86_pcrel+:} false; th
   $as_echo_n "(cached) " >&6
 else
 
-	libffi_cv_as_x86_pcrel=yes
+	libffi_cv_as_x86_pcrel=no
 	echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s
-	if $CC $CFLAGS -c conftest.s 2>&1 | $EGREP -i 'illegal|warning' > /dev/null; then
-	    libffi_cv_as_x86_pcrel=no
+	if $CC $CFLAGS -c conftest.s > /dev/null; then
+	    libffi_cv_as_x86_pcrel=yes
 	fi
 
 fi
diff -rupN libffi-3.0.11.orig/configure.ac libffi-3.0.11/configure.ac
--- libffi-3.0.11.orig/configure.ac	2012-04-12 13:10:51.000000000 +1000
+++ libffi-3.0.11/configure.ac	2012-12-03 00:22:01.467491113 +1100
@@ -297,10 +297,10 @@ fi
 if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64; then
     AC_CACHE_CHECK([assembler supports pc related relocs],
 	libffi_cv_as_x86_pcrel, [
-	libffi_cv_as_x86_pcrel=yes
+	libffi_cv_as_x86_pcrel=no
 	echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s
-	if $CC $CFLAGS -c conftest.s 2>&1 | $EGREP -i 'illegal|warning' > /dev/null; then
-	    libffi_cv_as_x86_pcrel=no
+	if $CC $CFLAGS -c conftest.s > /dev/null; then
+	    libffi_cv_as_x86_pcrel=yes
 	fi
 	])
     if test "x$libffi_cv_as_x86_pcrel" = xyes; then